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Finding the Fourth Proportional to 112,011.40, 168,017.10 and 101,643.40

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Solution

The fourth proportional to 112,011.40, 168,017.10 and 101,643.40 is: 152,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,011.40 : 168,017.10 = 101,643.40 : x
  2. Step 2: Convert to fraction form
    112,011.40/168,017.10 = 101,643.40/x
  3. Step 3: Cross multiply
    112,011.40x = 168,017.10 × 101,643.40
  4. Step 4: Simplify right side
    112,011.40x = 17,077,829,302.14
  5. Step 5: Solve for x
    x = 17,077,829,302.14/112,011.40
  6. Step 6: Final answer
    x = 152,465.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.